Daisuke Kimura and Kumiko Tanaka-Ishii.
A Study on Constants of Natural Language Texts.
Journal of Natural Language Processing, pages 877-895,
21(4), 2014. Special issue of awarded papers: English version of the 2011 best journal paper.

Kumiko Tanaka-Ishii and Hiroshi Nakagawa. A multilingual usage consultation tool based on internet searching -more than a search engine, less than QA-. In WWW Conference, pages 363--371, 2005. Best presentation award.

Kumiko Tanaka-Ishii, Yusuke Inutsuka, and Masato Takeichi. Entering text using a four button device. In the 19th International Conference on Computational Linguistics, pages 988--994, 2002.

Kumiko Tanaka-Ishii, Yusuke Inutsuka, and Masato Takeichi. Japanese input system with digits --Can Japanese be input only with consonants?--. In Human Language Technology Conference, pages 211--218, 2001.

Kumiko Tanaka-Ishii. Signs and Reflexivity. University of Tokyo Press. 2010, June. (The Japanese translated version of Semiotics of Programming, awarded the 32nd Suntory Academic Award (Philosophy and History) and the 19th Ohkawa Publication Award